PlainZIP

Longmont, CO · standard

ZIP Code 80504

Boulder County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

46,876
183/sq mi
$113,643
Median income
$591,700
Median home value
44.7%
Bachelor's or higher

The verdict

Longmont pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 12%
household income, US ZIPs
Top 9%
home value, US ZIPs
183
people per sq mi
79%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 80504 against every reporting US ZIP.

ZIP code 80504 is a densely settled ZIP (a standard USPS delivery area) in Longmont, Boulder County, Colorado, with 46,876 residents across 256.4 square miles, a density of 183 people per square mile, in the Denver time zone.

ZIP 80504 skews affluent, with a median household income of $113,643 (28% above the Colorado average), while per-capita income is $52,586. Poverty here runs at 5.0%, with unemployment measured at 3.8%. Housing costs here run $591,700 for a typical home value (22% above the state average), with rent averaging $1,996 a month; 79.1% of homes are owner-occupied.

A solid share of residents have a four-year degree: 44.7% of adults hold a bachelor's degree or higher, the median age is 39.5, and the average commute is 29 minutes. To put 80504 in local context, 8 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Boulder County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 80504

Top 5 sectors by establishment count in Longmont, CO

Which industries have the most business establishments in ZIP 80504.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 80504, Longmont, CO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

46,876

Population

256.4

Area (sq mi)

183

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 80504?

39.5

Median Age

49.9%

Male

50.1%

Female

7.8%

Foreign-Born

White 72.0%
African American 0.8%
Asian 2.8%
American Indian or Alaska Native 1.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 15.4%
Hispanic or Latino 24.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$113,643

Median Household Income

+28% vs state

$52,586

Per Capita Income

5.0%

Poverty Rate

3.8%

Unemployment Rate

28.5 min

Mean Commute Time

How ZIP 80504 ranks nationally

Longmont, CO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$113,643 Top 12% higher than 88% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 61.6%
Bachelor's Degree or Higher 44.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

24,615

Total Housing Units

24,077

Occupied Units

538

Vacant Units

2.63

Avg Household Size

Occupancy Type

Owner 79.1%
Renter 20.9%

$591,700

Median Home Value

+22% vs state

$1,996

Median Rent

2003

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.7%

YoY Change (2024)

276

HPI Index (2000 = 100)

+176%

Total Change Since 2000

Home values in ZIP 80504 have increased 5.7% over the past year (2024). Since 2000, this ZIP has seen +176% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.4% 196
2021 +12.9% 221
2022 +14.8% 254
2023 +3.1% 262
2024 +5.7% 276

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,192 business establishments in ZIP 80504, employing approximately 14,517 people with a combined annual payroll of $889,621,000.

1,192

Businesses

14,517

Employees

$889.6M

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Construction 209 17.5%
Professional, scientific, and technical services 184 15.4%
Administrative and support and waste management and remediation services 95 8.0%
Other services (except public administration) 93 7.8%
Retail trade 90 7.5%
Manufacturing 86 7.2%
Health care and social assistance 85 7.1%
Real estate and rental and leasing 78 6.5%
Accommodation and food services 73 6.1%
Wholesale trade 52 4.4%
Transportation and warehousing 48 4.0%
Finance and insurance 32 2.7%
Arts, entertainment, and recreation 19 1.6%
Information 14 1.2%
Educational services 14 1.2%
Mining, quarrying, and oil and gas extraction 13 1.1%
Agriculture, forestry, fishing and hunting 3 0.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 80504 vs 80501 →

ZIP 80504 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 80504 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 80504 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 80504 ranks #5 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
80501 Longmont, CO 39,521 3.9 mi
80542 Mead, CO 3,631 5.1 mi
80516 Erie, CO 20,254 7.8 mi
80520 Firestone, CO 1,498 6.2 mi
80530 Frederick, CO 3,790 7.0 mi
80514 Dacono, CO 4,106 7.7 mi
80544 Niwot, CO 111 8.6 mi
80513 Berthoud, CO 10,296 10.1 mi

More ZIP Codes in Boulder County

80501 standard
Longmont, CO
Pop: 39,521
80503 standard
Longmont, CO
Pop: 31,064
80027 standard
Louisville, CO
Pop: 31,034
80302 standard
Boulder, CO
Pop: 26,941
80026 standard
Lafayette, CO
Pop: 26,378
80304 standard
Boulder, CO
Pop: 25,623

Related Areas

Boulder County Longmont, CO Colorado

Frequently Asked Questions

What county is ZIP code 80504 in? ▼
ZIP code 80504 (Longmont) is located in Boulder County, Colorado. Boulder County contains multiple ZIP codes, see the full list at /counties/boulder-co.
What is the population of ZIP code 80504? ▼
ZIP code 80504 in Longmont, CO has a population of 46,876 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 80504? ▼
The median household income in ZIP 80504 is $113,643, which is 49% above the national average of $76,288.
What is the average home value in ZIP 80504? ▼
The median home value in ZIP 80504 is $591,700, which is 113% above the national average of $278,155.
What is the demographic makeup of ZIP 80504? ▼
The largest racial group in ZIP 80504 is White at 72.0%. Hispanic or Latino residents make up 24.1% of the population.
How many businesses are in ZIP code 80504? ▼
ZIP code 80504 has 1,192 business establishments employing approximately 14,517 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 80504? ▼
The top industries by establishment count in ZIP 80504 are: Construction (209), Professional, scientific, and technical services (184), Administrative and support and waste management and remediation services (95). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 80504? ▼
According to the FHFA House Price Index, home values in ZIP 80504 increased by 5.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 176%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 80504? ▼
In ZIP code 80504, 61.6% of residents aged 25+ have a high school diploma or higher, and 44.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 80504? ▼
The mean commute time for workers in ZIP code 80504 is 28.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 80504? ▼
In ZIP code 80504, approximately 79.1% of occupied housing units are owner-occupied and 20.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 80504? ▼
The poverty rate in ZIP code 80504 is 5.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.